Gaya APA

Cialdini, R, B. et al (2013). E-book HBR's 10 Must Reads on COMMUNICATION . : Th e Belknap Press of Harvard University Press.

Gaya MLA

Cialdini, Robert, B.. et al. "E-book HBR's 10 Must Reads on COMMUNICATION". : Th e Belknap Press of Harvard University Press, 2013. Text.